Extraction bottle 500 ml Determination of the formaldehyde content DIN EN 717-3

The picture may be different from the article and can include supply, which is not in the standard scope.

 

Extraction unit with sample holder

Complete unit (L5030901) consisting of:
- wide-neck stand-up bottle acc. to DIN 500 ml with standard ground joint (L5030901F)
- lid plug with threaded connection for sample chamber (L5030901S)
- height-adjustable sample chamber made of glass with gas-permeable base (L5030901P)
- for samples up to max. approx. 25 mm
- other sizes on request

The extraction bottle is used in tests and analyses where samples are to be exposed to a controlled atmosphere. atmosphere. Depending on the sample, a suitable solvent can be used to carry out a long-term extraction. extraction can be carried out. The sample is placed in the sample holder, fastened to the lid stopper and hung into the bottle filled with solvent. Due to the gas-permeable bottom, the sample material can be easily reached by the solvent vapours. The sample material or solvent is then analysed.

The bottle method is an extraction method used to determine the formaldehyde content according to DIN EN 717-3:1996-05 of wood-based materials. This method is also known as the WKI method, Raffael method, modified bottle test method or hermetic container method.